This book will take you on a journey to discover the origin and diversification of the head, which evolved from a seemingly headless chordate ancestor
This work is licensed under a Creative Commons Attribution 4.0 International License.The Palaeozoic ...
There are over 18,500 living species of acanthomorph (spiny-rayed fishes), and they represent half o...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Sharks, along with skates, guitarfishes, rays (batoids) and chimaeras belong to the Phylum Chordata...
textChondrichthyans are cartilaginous fishes that include the extant chimaeras, sharks, and batoids,...
textChondrichthyans are cartilaginous fishes that include the extant chimaeras, sharks, and batoids,...
Chimaeroid fishes (Holocephali) are one of the four principal divisions of modern gnathostomes (jawe...
Throughout the Silurian and Devonian, cartilaginous fish successively evolved their specialized skel...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Class Chondrichthyes is one of the oldest groups of vertebrates, which survived for more than 400 m...
Jawed vertebrates (gnathostomes) account for over 99% of living vertebrate diversity, wit...
The phylogenetic analysis of the Chondrichthyes has been the subject of intense debate over the past...
There are over 18,500 living species of acanthomorph (spiny-rayed fishes), and they represent half o...
This work is licensed under a Creative Commons Attribution 4.0 International License.The Palaeozoic ...
This work is licensed under a Creative Commons Attribution 4.0 International License.The Palaeozoic ...
There are over 18,500 living species of acanthomorph (spiny-rayed fishes), and they represent half o...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Sharks, along with skates, guitarfishes, rays (batoids) and chimaeras belong to the Phylum Chordata...
textChondrichthyans are cartilaginous fishes that include the extant chimaeras, sharks, and batoids,...
textChondrichthyans are cartilaginous fishes that include the extant chimaeras, sharks, and batoids,...
Chimaeroid fishes (Holocephali) are one of the four principal divisions of modern gnathostomes (jawe...
Throughout the Silurian and Devonian, cartilaginous fish successively evolved their specialized skel...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Although relationships among the major groups of living gnathostomes are well established, the relat...
Class Chondrichthyes is one of the oldest groups of vertebrates, which survived for more than 400 m...
Jawed vertebrates (gnathostomes) account for over 99% of living vertebrate diversity, wit...
The phylogenetic analysis of the Chondrichthyes has been the subject of intense debate over the past...
There are over 18,500 living species of acanthomorph (spiny-rayed fishes), and they represent half o...
This work is licensed under a Creative Commons Attribution 4.0 International License.The Palaeozoic ...
This work is licensed under a Creative Commons Attribution 4.0 International License.The Palaeozoic ...
There are over 18,500 living species of acanthomorph (spiny-rayed fishes), and they represent half o...
Although relationships among the major groups of living gnathostomes are well established, the relat...
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